题目内容

【题目】Though faced with so many difficulties, they are _____ about their future.

A. curious B. enthusiastic

C. optimistic D. concerned

【答案】C

【解析】

试题分析： 考查形容词辨析。A. curious 好奇的；B. enthusiastic热情的；C. optimistic乐观的；D. concerned关心的；句意：虽然他们面对许多的困难，但他们对于未来还是很乐观的。根据句意可知选C项。

考点 : 考查形容词辨析

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